[issue25254] Idle: debugger source line highlighting fails again

[Terry J. Reedy]

New submission from Terry J. Reedy:

Re-occurrence of #14146. On that issue, msg225380, 2014-08-15, I said "Debugger source line highlighting works fine." I am really sure it was true when I posted previously, 2013-05-29.  In 3.4.3, Feb 24 2015, it is not working.  Ditto for 2.7.10 and 3.5.0, released subsequently, and repository versions of 2.7 and 3.4,  The problem is not the fix in #14146, which I tested separately before replacing it in #24972.

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components: IDLE
messages: 251746
nosy: markroseman, terry.reedy
priority: normal
severity: normal
stage: test needed
status: open
title: Idle: debugger source line highlighting fails again
type: behavior
versions: Python 2.7, Python 3.4, Python 3.5, Python 3.6

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue25254>
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